JPS5342505B2 - - Google Patents

Info

Publication number
JPS5342505B2
JPS5342505B2 JP12154073A JP12154073A JPS5342505B2 JP S5342505 B2 JPS5342505 B2 JP S5342505B2 JP 12154073 A JP12154073 A JP 12154073A JP 12154073 A JP12154073 A JP 12154073A JP S5342505 B2 JPS5342505 B2 JP S5342505B2
Authority
JP
Japan
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
JP12154073A
Other languages
Japanese (ja)
Other versions
JPS4996647A (en
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed filed Critical
Publication of JPS4996647A publication Critical patent/JPS4996647A/ja
Publication of JPS5342505B2 publication Critical patent/JPS5342505B2/ja
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F7/00—Methods or arrangements for processing data by operating upon the order or content of the data handled
    • G06F7/38—Methods or arrangements for performing computations using exclusively denominational number representation, e.g. using binary, ternary, decimal representation
    • G06F7/48—Methods or arrangements for performing computations using exclusively denominational number representation, e.g. using binary, ternary, decimal representation using non-contact-making devices, e.g. tube, solid state device; using unspecified devices
    • G06F7/52—Multiplying; Dividing
    • G06F7/535—Dividing only
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F2207/00—Indexing scheme relating to methods or arrangements for processing data by operating upon the order or content of the data handled
    • G06F2207/535—Indexing scheme relating to groups G06F7/535 - G06F7/5375
    • G06F2207/5351—Multiplicative non-restoring division, e.g. SRT, using multiplication in quotient selection
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F2207/00—Indexing scheme relating to methods or arrangements for processing data by operating upon the order or content of the data handled
    • G06F2207/535—Indexing scheme relating to groups G06F7/535 - G06F7/5375
    • G06F2207/5352—Non-restoring division not covered by G06F7/5375
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F2207/00—Indexing scheme relating to methods or arrangements for processing data by operating upon the order or content of the data handled
    • G06F2207/535—Indexing scheme relating to groups G06F7/535 - G06F7/5375
    • G06F2207/5355—Using iterative approximation not using digit recurrence, e.g. Newton Raphson or Goldschmidt
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F2207/00—Indexing scheme relating to methods or arrangements for processing data by operating upon the order or content of the data handled
    • G06F2207/535—Indexing scheme relating to groups G06F7/535 - G06F7/5375
    • G06F2207/5356—Via reciprocal, i.e. calculate reciprocal only, or calculate reciprocal first and then the quotient from the reciprocal and the numerator

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Computational Mathematics (AREA)
  • Mathematical Analysis (AREA)
  • Mathematical Optimization (AREA)
  • Pure & Applied Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Computing Systems (AREA)
  • General Engineering & Computer Science (AREA)
  • Eyeglasses (AREA)
  • Complex Calculations (AREA)
JP12154073A 1972-10-30 1973-10-29 Expired JPS5342505B2 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US00302223A US3828175A (en) 1972-10-30 1972-10-30 Method and apparatus for division employing table-lookup and functional iteration

Publications (2)

Publication Number Publication Date
JPS4996647A JPS4996647A (en) 1974-09-12
JPS5342505B2 true JPS5342505B2 (en) 1978-11-11

Family

ID=23166833

Family Applications (1)

Application Number Title Priority Date Filing Date
JP12154073A Expired JPS5342505B2 (en) 1972-10-30 1973-10-29

Country Status (2)

Country Link
US (1) US3828175A (en)
JP (1) JPS5342505B2 (en)

Families Citing this family (32)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5381275A (en) * 1976-12-27 1978-07-18 Meidensha Electric Mfg Co Ltd F-v converting method and system
US4364115A (en) * 1977-07-18 1982-12-14 Hitohisa Asai Apparatus for digital division computation
JPS54130073A (en) * 1978-03-30 1979-10-09 Ono Sokki Seisakusho Kk Frequencyyvoltage converter
JPS55103642A (en) * 1979-02-01 1980-08-08 Tetsunori Nishimoto Division unit
JPS5633734A (en) * 1979-08-25 1981-04-04 Aisuke Katayama Divisor conversion type high-speed division system
JPS5738071A (en) * 1980-08-19 1982-03-02 Fuji Photo Film Co Ltd Output compensation device
US4481600A (en) * 1982-03-26 1984-11-06 Hitohisa Asai Apparatus for speeding up digital division in radix-2n machine
US4482975A (en) * 1982-03-29 1984-11-13 Motorola, Inc. Function generator
EP0096163B1 (en) * 1982-06-15 1988-06-01 Kabushiki Kaisha Toshiba Apparatus for dividing the elements of a galois field
US4594680A (en) * 1983-05-04 1986-06-10 Sperry Corporation Apparatus for performing quadratic convergence division in a large data processing system
JPS60142738A (en) * 1983-12-30 1985-07-27 Hitachi Ltd Divider using interpolation approximation
JPS60164837A (en) * 1984-02-07 1985-08-27 Nec Corp Divider
US4718032A (en) * 1985-02-14 1988-01-05 Prime Computer, Inc. Method and apparatus for effecting range transformation in a digital circuitry
US4724529A (en) * 1985-02-14 1988-02-09 Prime Computer, Inc. Method and apparatus for numerical division
EP0394499B1 (en) * 1988-11-04 1997-10-08 Hitachi, Ltd. Apparatus for multiplication, division and extraction of square root
DE68926289T2 (en) * 1989-01-13 1996-10-10 Ibm Floating point division method and arrangement
US5047973A (en) * 1989-04-26 1991-09-10 Texas Instruments Incorporated High speed numerical processor for performing a plurality of numeric functions
US5307303A (en) * 1989-07-07 1994-04-26 Cyrix Corporation Method and apparatus for performing division using a rectangular aspect ratio multiplier
US5046038A (en) * 1989-07-07 1991-09-03 Cyrix Corporation Method and apparatus for performing division using a rectangular aspect ratio multiplier
US5065352A (en) * 1989-08-16 1991-11-12 Matsushita Electric Industrial Co., Ltd. Divide apparatus employing multiplier with overlapped partial quotients
US5042001A (en) * 1989-10-02 1991-08-20 Cyrix Corporation Method and apparatus for performing mathematical functions using polynomial approximation and a rectangular aspect ratio multiplier
EP0530936B1 (en) * 1991-09-05 2000-05-17 Cyrix Corporation Method and apparatus for performing prescaled division
FR2690771A1 (en) * 1992-04-29 1993-11-05 Philips Electronique Lab Neural processor provided with means for normalizing data.
US6643765B1 (en) 1995-08-16 2003-11-04 Microunity Systems Engineering, Inc. Programmable processor with group floating point operations
JP3660075B2 (en) * 1996-10-04 2005-06-15 株式会社ルネサステクノロジ Dividing device
WO2004015558A1 (en) * 2002-08-07 2004-02-19 Thomson Licensing S.A. Apparatus and method for computing a reciprocal of a complex number
US7526340B2 (en) * 2004-10-29 2009-04-28 Medtronic, Inc. Division approximation for implantable medical devices
US20060179092A1 (en) * 2005-02-10 2006-08-10 Schmookler Martin S System and method for executing fixed point divide operations using a floating point multiply-add pipeline
US7747667B2 (en) * 2005-02-16 2010-06-29 Arm Limited Data processing apparatus and method for determining an initial estimate of a result value of a reciprocal operation
US8015228B2 (en) 2005-02-16 2011-09-06 Arm Limited Data processing apparatus and method for performing a reciprocal operation on an input value to produce a result value
TWI640918B (en) * 2016-03-02 2018-11-11 瑞昱半導體股份有限公司 Fast divider and fast division method
CN106775587B (en) * 2016-11-30 2020-04-14 上海兆芯集成电路有限公司 Method for executing computer instructions and device using same

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3591787A (en) * 1968-01-29 1971-07-06 Ibm Division system and method
US3648038A (en) * 1969-04-25 1972-03-07 Ibm Apparatus and method for obtaining the reciprocal of a number and the quotient of two numbers
US3633018A (en) * 1969-12-18 1972-01-04 Ibm Digital division by reciprocal conversion technique

Also Published As

Publication number Publication date
JPS4996647A (en) 1974-09-12
US3828175A (en) 1974-08-06

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